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authorJakob Bornecrantz <jakob@vmware.com>2010-04-29 17:26:51 +0100
committerJakob Bornecrantz <jakob@vmware.com>2010-04-29 17:59:47 +0100
commitf7cf8b4658aadb0a125f1e1fb9d6cb73d44902b0 (patch)
treefa581e8f596854edf3b66cd5a1bad0309c44c011 /src/gallium/auxiliary/util/u_caps.c
parent110a956a645f900e100062fbbe19c5835f9b5476 (diff)
util: Update caps after helpfull input
In no particular order: * Make list const * Add function comments * Clearly state that demo lists are not complete * Fix whitespace * Use __FUNCTION__ instead of __func__ * Add unimplemented check which always fail Thanks Brian and Keith.
Diffstat (limited to 'src/gallium/auxiliary/util/u_caps.c')
-rw-r--r--src/gallium/auxiliary/util/u_caps.c70
1 files changed, 54 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/util/u_caps.c b/src/gallium/auxiliary/util/u_caps.c
index ba3490d072..048bd5c34d 100644
--- a/src/gallium/auxiliary/util/u_caps.c
+++ b/src/gallium/auxiliary/util/u_caps.c
@@ -30,8 +30,14 @@
#include "util/u_debug.h"
#include "u_caps.h"
+/**
+ * Iterates over a list of caps checks as defined in u_caps.h. Should
+ * all checks pass returns TRUE and out is set to the last element of
+ * the list (TERMINATE). Should any check fail returns FALSE and set
+ * out to the index of the start of the first failing check.
+ */
boolean
-util_check_caps_out(struct pipe_screen *screen, unsigned *list, int *out)
+util_check_caps_out(struct pipe_screen *screen, const unsigned *list, int *out)
{
int i, tmpi;
float tmpf;
@@ -40,21 +46,21 @@ util_check_caps_out(struct pipe_screen *screen, unsigned *list, int *out)
switch(list[i++]) {
case UTIL_CAPS_CHECK_CAP:
if (!screen->get_param(screen, list[i++])) {
- *out = i - 2;
+ *out = i - 2;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_INT:
tmpi = screen->get_param(screen, list[i++]);
if (tmpi < (int)list[i++]) {
- *out = i - 3;
+ *out = i - 3;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_FLOAT:
tmpf = screen->get_paramf(screen, list[i++]);
if (tmpf < (float)list[i++]) {
- *out = i - 3;
+ *out = i - 3;
return FALSE;
}
break;
@@ -64,25 +70,43 @@ util_check_caps_out(struct pipe_screen *screen, unsigned *list, int *out)
PIPE_TEXTURE_2D,
PIPE_BIND_SAMPLER_VIEW,
0)) {
- *out = i - 2;
+ *out = i - 2;
return FALSE;
}
- break;
+ case UTIL_CAPS_CHECK_UNIMPLEMENTED:
+ *out = i - 1;
+ return FALSE;
default:
assert(!"Unsupported check");
return FALSE;
}
}
+
+ *out = i;
return TRUE;
}
+/**
+ * Iterates over a list of caps checks as defined in u_caps.h.
+ * Returns TRUE if all caps checks pass returns FALSE otherwise.
+ */
boolean
-util_check_caps(struct pipe_screen *screen, unsigned *list)
+util_check_caps(struct pipe_screen *screen, const unsigned *list)
{
int out;
return util_check_caps_out(screen, list, &out);
}
+
+/*
+ * Below follows some demo lists.
+ *
+ * None of these lists are exhausting lists of what is
+ * actually needed to support said API and more here for
+ * as example on how to uses the above functions. Especially
+ * for DX10 and DX11 where Gallium is missing features.
+ */
+
/* DX 9_1 */
static unsigned caps_dx_9_1[] = {
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
@@ -128,10 +152,11 @@ static unsigned caps_dx_10[] = {
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12), /* 2048 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 8192 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
+ UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
UTIL_CHECK_TERMINATE
};
-/* DX 11 */
+/* DX11 */
static unsigned caps_dx_11[] = {
UTIL_CHECK_CAP(SM3),
//UTIL_CHECK_CAP(INSTANCING),
@@ -142,6 +167,7 @@ static unsigned caps_dx_11[] = {
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 16384 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
UTIL_CHECK_FORMAT(B8G8R8A8_UNORM),
+ UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
UTIL_CHECK_TERMINATE
};
@@ -151,11 +177,18 @@ static unsigned caps_opengl_2_1[] = {
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_CAP(TWO_SIDED_STENCIL),
UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
- UTIL_CHECK_INT(MAX_RENDER_TARGETS, 2), /* XXX 4? */
+ UTIL_CHECK_INT(MAX_RENDER_TARGETS, 2),
UTIL_CHECK_TERMINATE
};
-void util_caps_print_debug(struct pipe_screen *screen)
+/* OpenGL 3.0 */
+/* UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8), */
+
+
+/**
+ * Demo function which checks against theoretical caps needed for different APIs.
+ */
+void util_caps_demo_print(struct pipe_screen *screen)
{
struct {
char* name;
@@ -167,38 +200,43 @@ void util_caps_print_debug(struct pipe_screen *screen)
{"DX 10", caps_dx_10},
{"DX 11", caps_dx_11},
{"OpenGL 2.1", caps_opengl_2_1},
+/* {"OpenGL 3.0", caps_opengl_3_0},*/
{NULL, NULL}
};
int i, out = 0;
for (i = 0; list[i].name; i++) {
if (util_check_caps_out(screen, list[i].list, &out)) {
- debug_printf("%s: %s yes\n", __func__, list[i].name);
+ debug_printf("%s: %s yes\n", __FUNCTION__, list[i].name);
continue;
}
switch (list[i].list[out]) {
case UTIL_CAPS_CHECK_CAP:
- debug_printf("%s: %s no (cap %u not supported)\n", __func__,
+ debug_printf("%s: %s no (cap %u not supported)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1]);
break;
case UTIL_CAPS_CHECK_INT:
- debug_printf("%s: %s no (cap %u less then %u)\n", __func__,
+ debug_printf("%s: %s no (cap %u less then %u)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1],
list[i].list[out + 2]);
break;
case UTIL_CAPS_CHECK_FLOAT:
- debug_printf("%s: %s no (cap %u less then %f)\n", __func__,
+ debug_printf("%s: %s no (cap %u less then %f)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1],
- (double)(int)list[i].list[out + 2]);
+ (double)(int)list[i].list[out + 2]);
break;
case UTIL_CAPS_CHECK_FORMAT:
- debug_printf("%s: %s no (format %s not supported)\n", __func__,
+ debug_printf("%s: %s no (format %s not supported)\n", __FUNCTION__,
list[i].name,
util_format_name(list[i].list[out + 1]) + 12);
break;
+ case UTIL_CAPS_CHECK_UNIMPLEMENTED:
+ debug_printf("%s: %s no (not implemented in gallium or state tracker)\n",
+ __FUNCTION__, list[i].name);
+ break;
default:
assert(!"Unsupported check");
}